151318543 has 4 divisors (see below), whose sum is σ = 151399800. Its totient is φ = 151237288.

The previous prime is 151318529. The next prime is 151318571. The reversal of 151318543 is 345813151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345813151 = 541 ⋅639211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151318543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151318523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37768 + ... + 41581.

It is an arithmetic number, because the mean of its divisors is an integer number (37849950).

Almost surely, 2^151318543 is an apocalyptic number.

151318543 is a deficient number, since it is larger than the sum of its proper divisors (81257).

151318543 is an equidigital number, since it uses as much as digits as its factorization.

151318543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81256.

The product of its digits is 7200, while the sum is 31.

The square root of 151318543 is about 12301.1602298320. The cubic root of 151318543 is about 532.8815906077.

The spelling of 151318543 in words is "one hundred fifty-one million, three hundred eighteen thousand, five hundred forty-three".